7212937680 has 320 divisors, whose sum is σ = 27200759040. Its totient is φ = 1745971200.

The previous prime is 7212937661. The next prime is 7212937687. The reversal of 7212937680 is 867392127.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7212937687) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1710775 + ... + 1714985.

It is an arithmetic number, because the mean of its divisors is an integer number (85002372).

Almost surely, 2^7212937680 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7212937680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13600379520).

7212937680 is an abundant number, since it is smaller than the sum of its proper divisors (19987821360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7212937680 is a wasteful number, since it uses less digits than its factorization.

7212937680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4307 (or 4295 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 7212937680 is about 84929.0155365055. The cubic root of 7212937680 is about 1932.1346690588.

The spelling of 7212937680 in words is "seven billion, two hundred twelve million, nine hundred thirty-seven thousand, six hundred eighty".